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Add PBA T1166

This commit is contained in:
Shreya 2020-07-07 01:29:18 +05:30
parent 7415a5eb89
commit ec26baae8f
9 changed files with 136 additions and 3 deletions
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1
monkey/common/data/post_breach_consts.py
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@ -4,3 +4,4 @@ POST_BREACH_FILE_EXECUTION = "File execution"
POST_BREACH_SHELL_STARTUP_FILE_MODIFICATION = "Modify shell startup file"
POST_BREACH_HIDDEN_FILES = "Hide files and directories"
POST_BREACH_TRAP_COMMAND = "Execute command when a particular signal is received"
POST_BREACH_SETUID_SETGID = "Setuid and Setgid"

13
monkey/infection_monkey/post_breach/actions/change_file_privileges.py Normal file
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@ -0,0 +1,13 @@
from common.data.post_breach_consts import POST_BREACH_SETUID_SETGID
from infection_monkey.post_breach.pba import PBA
from infection_monkey.post_breach.setuid_setgid.setuid_setgid import\
get_commands_to_change_setuid_setgid
from infection_monkey.utils.environment import is_windows_os
class ChangeSetuidSetgid(PBA):
def __init__(self):
if not is_windows_os():
linux_cmds = get_commands_to_change_setuid_setgid()
super(ChangeSetuidSetgid, self).__init__(POST_BREACH_SETUID_SETGID,
linux_cmd=' '.join(linux_cmds))

11
monkey/infection_monkey/post_breach/setuid_setgid/linux_setuid_setgid.py Normal file
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@ -0,0 +1,11 @@
TEMP_FILE = '$HOME/monkey-temp-file'
# Commands from https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1548.001/T1548.001.md
def get_linux_commands_to_setuid_setgid():
return [
f'touch {TEMP_FILE} && chown root {TEMP_FILE} && chmod u+s {TEMP_FILE} && chmod g+s {TEMP_FILE} &&',
'echo "Successfully changed setuid/setgid bits" &&',
f'rm {TEMP_FILE}'
]

7
monkey/infection_monkey/post_breach/setuid_setgid/setuid_setgid.py Normal file
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@ -0,0 +1,7 @@
from infection_monkey.post_breach.setuid_setgid.linux_setuid_setgid import\
get_linux_commands_to_setuid_setgid
def get_commands_to_change_setuid_setgid():
linux_cmds = get_linux_commands_to_setuid_setgid()
return linux_cmds

5
monkey/monkey_island/cc/services/attack/attack_report.py
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@ -4,7 +4,7 @@ from monkey_island.cc.models import Monkey
from monkey_island.cc.services.attack.technique_reports import T1210, T1197, T1110, T1075, T1003, T1059, T1086, T1082
from monkey_island.cc.services.attack.technique_reports import T1145, T1105, T1065, T1035, T1129, T1106, T1107, T1188
from monkey_island.cc.services.attack.technique_reports import T1090, T1041, T1222, T1005, T1018, T1016, T1021, T1064
from monkey_island.cc.services.attack.technique_reports import T1136, T1156, T1504, T1158, T1154
from monkey_island.cc.services.attack.technique_reports import T1136, T1156, T1504, T1158, T1154, T1166
from monkey_island.cc.services.attack.attack_config import AttackConfig
from monkey_island.cc.database import mongo
from monkey_island.cc.services.reporting.report_generation_synchronisation import safe_generate_attack_report
@ -41,7 +41,8 @@ TECHNIQUES = {'T1210': T1210.T1210,
'T1156': T1156.T1156,
'T1504': T1504.T1504,
'T1158': T1158.T1158,
'T1154': T1154.T1154
'T1154': T1154.T1154,
'T1166': T1166.T1166
}
REPORT_NAME = 'new_report'

9
monkey/monkey_island/cc/services/attack/attack_schema.py
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@ -118,6 +118,15 @@ SCHEMA = {
"description": "Adversaries may gain persistence and elevate privileges "
"in certain situations by abusing PowerShell profiles which "
"are scripts that run when PowerShell starts."
},
"T1166": {
"title": "Setuid and Setgid",
"type": "bool",
"value": True,
"necessary": False,
"link": "https://attack.mitre.org/techniques/T1166",
"description": "Adversaries can set the setuid or setgid bits to get code running in "
"a different user’s context."
}
}
},

37
monkey/monkey_island/cc/services/attack/technique_reports/T1166.py Normal file
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@ -0,0 +1,37 @@
from monkey_island.cc.services.attack.technique_reports import AttackTechnique
from monkey_island.cc.database import mongo
from common.utils.attack_utils import ScanStatus
from common.data.post_breach_consts import POST_BREACH_SETUID_SETGID
__author__ = "shreyamalviya"
class T1166(AttackTechnique):
tech_id = "T1166"
unscanned_msg = "Monkey did not try creating hidden files or folders."
scanned_msg = "Monkey tried creating hidden files and folders on the system but failed."
used_msg = "Monkey created hidden files and folders on the system."
query = [{'$match': {'telem_category': 'post_breach',
'data.name': POST_BREACH_SETUID_SETGID}},
{'$project': {'_id': 0,
'machine': {'hostname': '$data.hostname',
'ips': ['$data.ip']},
'result': '$data.result'}}]
@staticmethod
def get_report_data():
data = {'title': T1166.technique_title(), 'info': []}
setuid_setgid_info = list(mongo.db.telemetry.aggregate(T1166.query))
status = ScanStatus.UNSCANNED.value
if setuid_setgid_info:
successful_PBAs = mongo.db.telemetry.count({'data.name': POST_BREACH_SETUID_SETGID,
'data.result.1': True})
status = ScanStatus.USED.value if successful_PBAs else ScanStatus.SCANNED.value
data.update(T1166.get_base_data_by_status(status))
data.update({'info': setuid_setgid_info})
return data

11
monkey/monkey_island/cc/services/config_schema.py
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@ -183,6 +183,14 @@ SCHEMA = {
],
"title": "Trap",
"attack_techniques": ["T1154"]
},
{
"type": "string",
"enum": [
"ChangeSetuidSetgid"
],
"title": "Setuid and Setgid",
"attack_techniques": ["T1166"]
}
],
},
@ -406,7 +414,8 @@ SCHEMA = {
"CommunicateAsNewUser",
"ModifyShellStartupFiles",
"HiddenFiles",
"TrapCommand"
"TrapCommand",
"ChangeSetuidSetgid"
],
"description": "List of actions the Monkey will run post breach"
},

45
monkey/monkey_island/cc/ui/src/components/attack/techniques/T1166.js Normal file
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@ -0,0 +1,45 @@
import React from 'react';
import ReactTable from 'react-table';
import {renderMachineFromSystemData, ScanStatus} from './Helpers';
import MitigationsComponent from './MitigationsComponent';
class T1166 extends React.Component {
constructor(props) {
super(props);
}
static getColumns() {
return ([{
columns: [
{ Header: 'Machine',
id: 'machine',
accessor: x => renderMachineFromSystemData(x.machine),
style: {'whiteSpace': 'unset'}},
{ Header: 'Result',
id: 'result',
accessor: x => x.result,
style: {'whiteSpace': 'unset'}}
]
}])
}
render() {
return (
<div>
<div>{this.props.data.message}</div>
<br/>
{this.props.data.status === ScanStatus.USED ?
<ReactTable
columns={T1166.getColumns()}
data={this.props.data.info}
showPagination={false}
defaultPageSize={this.props.data.info.length}
/> : ''}
<MitigationsComponent mitigations={this.props.data.mitigations}/>
</div>
);
}
}
export default T1166;